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Oval|Lab Grown|IGI

1.53ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG447001155

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001155

Diamond specifications and retailer prices

From £635 GBP
As of November 6, 2026
Save £2,991 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,626 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.53ct lab-grown oval diamond

This 1.53ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001155 or 447001155. Listed at 10 retailers as of November 5, 2026, with prices from £635 to £3,626, a £2,991 spread on the same certified stone. MOH London lists it at £3,626. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001155
Dimensions9.00 × 6.52 × 4.07 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.00 mm6.52 mm1.53 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001155
Side View
Table 59.0%Crown 35.5°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,626 GBP|Low: £635 GBP|High: £3,684 GBP|Avg: £1,831 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2£635 GBP
Retailer 3£1,098 GBP
Retailer 4£1,273 GBP
Retailer 6£1,401 GBP
Retailer 8£1,727 GBP
Retailer 5£2,007 GBP
Retailer 7£2,311 GBP
MOH London£3,626 GBP

14 data points across 8 retailers

10 retailers£635 GBP to £3,626 GBP

A
Cheapest Retailer
-
£635 GBP
B+
Retailer 2
-
£1,098 GBP
View
B+
Retailer 3
-
£1,194 GBP
View
Retailer 4
-
£1,273 GBP
View
Price last confirmed 25 days ago
B+
Retailer 5
-
£1,273 GBP
View
B+
Retailer 6
-
£1,401 GBP
View
B
Retailer 7
-
£2,007 GBP
View
B
Retailer 8
-
£2,311 GBP
View
B
Retailer 9
-
£2,386 GBP
View
Most Expensive
B
MOH London
LG447001155 · Nov 5
£3,626 GBP
View
9 more retailers have this diamond
Prices start from £635 GBPSave up to £2,991 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.53ct Oval
£635 GBP